How to solve costheta=3/5 and cosbeta=-15/17. Additionally, pie/2

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !